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A piece of unglazed porcelain used to test a minerals streak
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A piece of unglazed porcelain used to test a minerals streak

A piece of unglazed porcelain used to test a minerals streak-example-1
User Nexo
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This piece of porcelain is called a streak plate. This method is a method of rapid qualitative isolation and was developed by Robert Koch. It was developed to obtain pure bacterial cultures.
User Dmitry Zagorulkin
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